TY  - BOOK
AU  - Villegas,Bernardo M.
AU  - Abola, Victor A.
TI  - Economics : : an introduction 
SN  - 978-971-91786-9-9
AV  - 330 V71e 
PY  - 2009///
CY  - [S.l]
PB  - Center for Research and Communication Foundation
N1  - Includes index
ER  -